Chemistry MCQ on Surface Chemistry for NEET, JEE, Medical and Engineering Exam 2021
MCQ on Surface Chemistry: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.
In this post we are providing you MCQ on Surface Chemistry, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.
MCQ on Surface Chemistry
Q1. The movement of colloidal particles towards the oppositely charged electrodes on passing electric current is known as ________. a) Cataphoresis
a) Cataphoresis
b) Brownian movement
c) Tyndall effect
d) None of these
Q2. Homogeneous catalysis does mean ________. b) Catalyst and reactants must be in the same phase
a) Reactants and goods have to be at the same level
b) Catalyst and reactants must be in the same phase
c) The reaction mixture distribution must be homogeneous
d) The reaction mixture must be formed homogeneously during
Q3. The volume of gases H2, CH4, CO2 and NH3 adsorbed by 1 gm charcoal at 293 K can be given in the order? d) NH3 > CO2 > CH4 > H2
a) CH4 > CO2 > NH3 > H2
b) CO2 > NH3 > H2 > CH4
c) NH3 > CO2 > H2 > CH4
d) NH3 > CO2 > CH4 > H2
Q4. An emulsifier is a substance which ________. a) stabilizes the emulsion
a) stabilizes the emulsion
b) coagulates the emulsion
c) causes homogenesis of emulsion
d) retards the dispersion of liquid in liquid
Q5. Which of the following kinds of catalysis can be explained by the adsorption theory? d) heterogeneous catalysis
a) acid base catalysis
b) enzyme catalysis
c) homogeneous catalysis
d) heterogeneous catalysis
Q6. At 15oC out of H2, CH4, CO2, NH3, which gas will be adsorbed maximum by charcoal? d) NH3
a) H2
b) CH4
c) CO2
d) NH3
Q7. If the dispersed phase is a liquid and the dispersion medium is solid, the colloid is known as ________. b) gel
a) sol
b) gel
c) foam
d) emulsion
Q8. Which of the following colloids are solvent hating? b) lyophobic
a) lyophilic
b) lyophobic
c) hydrophilic
d) None of these
Q9. The process of separating a crystalloid, from a colloid by filtration is called ________. a) dialysis
a) dialysis
b) coagulation
c) peptization
d) emulsification
Q10. Which one of the following is an example of adsorption? c) silica gel in contact with water vapours
a) ammonia in contact with water
b) anhydrous CaCl2 with water
c) silica gel in contact with water vapours
d) All of these
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